The correct answer is twenty-fold.
Twenty fold refers to as having as equal to or holding as much as twenty times as many or much of a certain object. based on the given situation, between the years 1980 and 2007, the service exports worldwide increased twenty-fold, which means that service exports doubles as much as twenty times during the period of 1980 to 2007.
I would put C but I may be wrong
Answer:
Option D
Explanation:
This is why Lincoln tried to keep the fort at all costs (even tho he eventually lost it to the confederacy). However, it was more of a power move than anything on the unions part, suggesting that the confederacy was still a part of the Union
Please mark brainliest :)
Should transgender students be allow to use the other gender's bathroom. Should bullying be taken more seriously<span />
Based on the scenario, the students are being reinforced on variable<span> ratio Schedule.
</span><span>A variable ratio schedule is a form of scheduling in which responses are created after being exposed to a number of unpredictable response. Since the students need to be on their toes all the time, this type of scheduling will provide the highest rate of student response
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